Home / 3,469.40-4,784.57-2,351.96

Finding the Fourth Proportional to 3,469.40, 4,784.57 and 2,351.96

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Solution

The fourth proportional to 3,469.40, 4,784.57 and 2,351.96 is: 3,243.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,469.40 : 4,784.57 = 2,351.96 : x
  2. Step 2: Convert to fraction form
    3,469.40/4,784.57 = 2,351.96/x
  3. Step 3: Cross multiply
    3,469.40x = 4,784.57 × 2,351.96
  4. Step 4: Simplify right side
    3,469.40x = 11,253,105.50
  5. Step 5: Solve for x
    x = 11,253,105.50/3,469.40
  6. Step 6: Final answer
    x = 3,243.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.